import { OverlayRef } from '@angular/cdk/overlay';
import { HcToastComponent } from './hc-toast.component';
export declare class HcToastRef {
    _overlayRef: OverlayRef;
    private _beforeClose;
    private _afterClosed;
    _toastPosition: string;
    /** The HcToast component associated with the toast reference */
    componentInstance: HcToastComponent;
    /** If the `hasProgressBar` option is set to true in `hc-toast-options`, this 0-100 value can
     * be used to make it a determinate progress bar. If the progress bar is on but a value is not set,
     * the progress bar will be indeterminate.*/
    progress: number;
    constructor(_overlayRef: OverlayRef);
    /** Closes the associated toast message with this reference */
    close(): void;
}